Question

cost of 20 pens is 400 and cost of 10 pencils is 50 find the cost of a pen that of a pencil​

Answer 1

Answer:

cost of pen = 20 , cost of pencil =5 , cost of both pen and pencil = 20+5 = 25

Step-by-step explanation:

20 pens cost = 400 and 10 pencils cost = 50

1 pen cost = 400/20 and 1 pencil cost = 50/10

1 pen cost = 20 and 1 pencil cost = 5

so the cost of a pen and pencil is 20 +5 = 25

Answer 2

20+5=25

Step-by-step explanation:

Cost of one pen =20

Cost of one pencil =5